Hi my baby who has just turned five months has had a wheeze for over four weeks witch turned into a crackle with a cough, the cough only last seconds at a time and she gets bubbles coming out of her mouth but what concerns me is purple marks appear on her forehead whilst she’s coughing and disappear when she stops. Has anyone seen or heard of it before? I’ve asked a few friends and family but no one seems to have any idea